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10 terms

Glencoe Science Ch.11

STUDY
PLAY
stomata
is for raw materials such as carbon dioxide, water vapor and waste gases to enter and exit the leaf
chlororophyll
that are green pigments that make chloroplasts green
photosynthesis
a process during which plants chlorophyll traps light energy and sugars are produced
respiration
a series of chemical reactions that look down food molecules and release energy
tropism
a response of a plant to external stimuli movement caused by change in growth
auxin
type of plant hormone that causes the plant stems and leaves to exhibit positive response to light
photoperiodism
plant's response to the number of hours of daylight and darkness it receives
long-day plants
plant that generally requires short-nights-less than 12 hours of darkness-to begin the flowering process
short-day plants
plants that generally require long-nights-12 or more hours of darkness-to begin flowering process
day-netural plants
plant that does not require a specific photoperiodism and can begin the flowering process over a range of night lengths